Home / 5,610.28-7,740.57-3,621.97

Finding the Fourth Proportional to 5,610.28, 7,740.57 and 3,621.97

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Solution

The fourth proportional to 5,610.28, 7,740.57 and 3,621.97 is: 4,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.28 : 7,740.57 = 3,621.97 : x
  2. Step 2: Convert to fraction form
    5,610.28/7,740.57 = 3,621.97/x
  3. Step 3: Cross multiply
    5,610.28x = 7,740.57 × 3,621.97
  4. Step 4: Simplify right side
    5,610.28x = 28,036,112.32
  5. Step 5: Solve for x
    x = 28,036,112.32/5,610.28
  6. Step 6: Final answer
    x = 4,997.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.